[1] Shapiro J H. Composition operators and classical function theory. New York, Berlin: Springer-Verlag,
1993

[2] Shapiro J H. The essential norm of a composition operator. Ann Math, 1987, 125: 375-404

[3] Smith W. Composition operators between Bergman and Hardy spaces. Trans Amer Math Soc, 1996,
348(6): 2331-2348

[4] Liu P D, Saksman E, Tylli H O. Small composition operators on analytic vector-valued function spaces.
Pacific J Math, 1998, 184: 295 - 309

[5] Yang M Z, Zhu G T. Approximation theory for a certain class of operators and their applications to
transport theory. Progress in Nuclear Energy, 1982, 8: 269-282

[6] Li S K. On collectively compact operator sequence. Acta Math Sinica, 1984, 27(6): 766-768

[7] Chen X M, Li W J. Collectively compact Toeplitz and Hankel operators. Chin Ann Math, 1994, 15A(5):
528-533

[8] Cao G F, Zhong C Y. Collectively compact Hankel operator sequences on Hardy spaces. J Math Anal
Appl, 1997, 216: 491-498

[9] Stanton C S. Counting functions and majorization theorems for Jensen measures. Pacific J Math, 1986,
125: 459-468

[10] Hedenmalm H, Korenblum B, Zhu K. Theory of Bergman spaces. New York: Springer-Verlag, 2000

[11] Jiang L J, He Y Z. Composition operators from B to F(p, q, s). Acta Mathematica Scientia, 2003,
23B(2): 252-260

[12] He W X, Jiang L. Composition operator on Bers-type spaces. Acta Math Sci, 2002, 22B(3): 404-412

[13] Wang X, Cao G F. Cyclic composition operators on Dirichlet space. Acta Math Sci, 2003, 23A(1): 91-95